22028308544 has 56 divisors (see below), whose sum is σ = 47706613248. Its totient is φ = 10008599040.

The previous prime is 22028308531. The next prime is 22028308573. The reversal of 22028308544 is 44580382022.

It is a junction number, because it is equal to n+sod(n) for n = 22028308498 and 22028308507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132897 + ... + 2143199.

It is an arithmetic number, because the mean of its divisors is an integer number (851903808).

Almost surely, 2^22028308544 is an apocalyptic number.

It is an amenable number.

22028308544 is an abundant number, since it is smaller than the sum of its proper divisors (25678304704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22028308544 is a wasteful number, since it uses less digits than its factorization.

22028308544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363 (or 13353 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 22028308544 in words is "twenty-two billion, twenty-eight million, three hundred eight thousand, five hundred forty-four".